Recently, in the FLUKA-4, torus body has been added: TRX, TRY and TRZ (torus on the Y-Z, X-Z and X-Y plane respectively).
But this body does not appear in drop down list related to bodies in flair-3.1-5, nor is there an explanation about that in FLUKA-4 manual.
Another problem I encountered was exporting the FLUKA code input file to MCNP format.
Meanwhile, torus macrobody is defined in MCNP code with the following cards and symbols:
Any help will be appreciated in advance.